Version 0.20

Released February 23, 2023

• Add localization support, #827 (@arkid15r, @bkthomps, @dragoon)
• Introduce HolidayBase::_is_leap_year(), #886 (@arkid15r)
• Introduce HolidayBase::_is_monday - HolidayBase::_is_sunday helper methods, #841 (@arkid15r)
• Refactor Burundi holidays, #925 (@KJhellico)
• Refactor Cuba holidays, #927 (@KJhellico)
• Refactor HolidayBase class and utils, #815 (@arkid15r)
• Refactor common.TestCase, #926 (@arkid15r)
• Refactor days offset calculation for recently added countries, #924 (@KJhellico)
• Refactor days offset calculation: replace relativedelta with timedelta (tests), #901 (@arkid15r)
• Refactor days offset calculation: replace relativedelta with timedelta, #900 (@arkid15r)
• Refactor implicit returns, #935 (@arkid15r)
• Add Panama holidays, #916 (@KJhellico)
• Localize ascii incompatible countries, #955 (@arkid15r)
• Change holiday name separator from ", " to "; ", #922 (@arkid15r)
• Fix Hong Kong, #928 (@KJhellico)
• Fix Islamic holidays calculation, #914 (@KJhellico)
• Fix Thailand related changes coverage decrease, #942 (@arkid15r, @PPsyrius)
• Fix Ukraine tests, #943 (@KJhellico)
• Fix readthedocs.io build, #973 (@arkid15r)
• Improve Thailand holidays, #929 (@PPsyrius, @arkid15r, @KJhellico)
• Optimize Botswana observed holidays, #932 (@KJhellico)
• Optimize Burundi observed holidays, #933 (@KJhellico)
• Optimize Montenegro: observed holidays, #908 (@KJhellico)
• Optimize Ukraine observed holidays, #934 (@KJhellico)
• Optimize observed holidays, part 1, #949 (@KJhellico)
• Optimize observed holidays, part 2, #952 (@KJhellico)
• Update Albania observed holidays, #950 (@KJhellico)
• Update Australia holidays: fix 2020 QLD holidays, #923 (@arkid15r)
• Update Bolivia holidays, #910 (@KJhellico)
• Update Bosnia and Herzegovina holidays, #909 (@KJhellico)
• Update Canada holidays (add National Day for Truth and Reconciliation in British Columbia), #951 (@KJhellico)
• Update Jamaica holidays, #913 (@KJhellico)
• Update PR template, #960 (@arkid15r)
• Update Poland holidays, add uk localization, #947 (@KJhellico)
• Update dev/test environments, #930 (@arkid15r)
• Upgrade dependency: change black version from 22.12.0 to 23.1.0, #921 (@arkid15r)
• Upgrade pre-commit config: mypy v1.0.1, #970 (@arkid15r)
• Add GitHub pull request template, #911 (@arkid15r)
• Add International Women's Day for DE-MV, #936 (@alexanderschulze)
• Add Marshall Islands (ISO-3666-1 code MH), #937 (@mborsetti)
• Add Northern Mariana Islands (ISO-3666-2 code US-MP), #939 (@mborsetti)
• Add United States Minor Outlying Islands (ISO-3666-2 code US-UM), #940 (@mborsetti)
• ISO 3166-1 for US subdivisions, #941 (@mborsetti, @dr-prodigy)
• Rename dev env setup target, #944 (@arkid15r)
• Suppress warnings for tests, #945 (@arkid15r)